Monarchs by the million in Mexico

Lisa Krantz/San Antonio Express-News

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Monarch butterflies dance around display beds filled with canna leaves and milkweed while Cathy Lopez, a first day volunteer with Team WaterSaver, waters the beds at the San Antonio Botanical Garden on July 10, 2009.

Lisa Krantz/San Antonio Express-News

27of37

Monarch butterflies dance around display beds filled with canna leaves and milkweed while Cathy Lopez, a first day volunteer with Team WaterSaver, waters the beds at the San Antonio Botanical Garden on July 10, 2009.